11542007489 has 8 divisors (see below), whose sum is σ = 12226526208. Its totient is φ = 10858108480.

The previous prime is 11542007441. The next prime is 11542007507. The reversal of 11542007489 is 98470024511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11542007489 - 2⁸ = 11542007233 is a prime.

It is a super-2 number, since 2×11542007489² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11542007419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116297 + ... + 191334.

It is an arithmetic number, because the mean of its divisors is an integer number (1528315776).

Almost surely, 2^11542007489 is an apocalyptic number.

It is an amenable number.

11542007489 is a deficient number, since it is larger than the sum of its proper divisors (684518719).

11542007489 is a wasteful number, since it uses less digits than its factorization.

11542007489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309855.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 11542007489 in words is "eleven billion, five hundred forty-two million, seven thousand, four hundred eighty-nine".